Maitiro Anowanzoitwa Anthracite Maka
Anthracite ndiyo inonyanya kushandiswa pakati pemarudzi emalahle.
Kana ichipisa, inobereka moto unopisa kwazvo, webhuruu. Dombo dema rakajeka, anthracite inonyanya kushandiswa kupisa kupisa kwekugara uye yezvokutengeserana munzvimbo yekuchamhembe kwakadziva kumabvazuva kwePennsylvania, uko yakawanda yacho inotengeswa. IPennsylvania Anthracite Heritage Museum muScranton inokurudzira mazimbe ekukosha kwehupfumi munharaunda yacho.
Anthracite inonzi inonyanya kupisa moto wemalahle. Inobereka kupisa uye kusvuta kudarika mamwe mazimbe uye inoshandiswa zvakanyanya mumidziyo inopiswa nemaoko. Imwe imba yekugara inopisa shfufu zvirongwa zvinoshandisa anthracite, zvinopisa kwenguva yakareba kudarika huni. Anthracite yakatumidzwa "mazimbe akaoma," kunyanya nevanowanzogadzira magetsi avo vakashandisa iyo kugadzira tereini.
Mifananidzo yeAnthracite Coal
Anthracite ine huwandu hwakawanda hwakagadzirirwa kabhoni - 80 kusvika 95 muzana - uye yakanyanya sulfuri uye nitrogen ----- pasi pe1 muzana imwe neimwe. Nyaya yakashata yakadzika paanenge ma5 kubva muzana, ine 10 kusvika ku20 muganhu unogona.
Misi yakawanda inenge inenge 5 kusvika ku15 muzana. Mazimbe anononoka-kupisa uye akaoma kuisa pamusana pehupamhi hwehupamhi hwayo, saka zvishomanana zvepurasitiki, mashizha anopiswa nemarasha anopisa.
Kuchenesa kukosha : Anthracite inopisa yakaipisisa pakati pemarasha emarasha (inenge 900 degrees kana yakakwirira) uye inowanzobereka inenge 13,000 kusvika 15,000 Btu per pound.
Dombo rekutsvaira rakarashirwa panguva yehutambo hwemigodhi, inonzi culm, inosvika 2 500 kusvika 5000 Btu pound.
Kubva : Scarce. Chine chikamu chezana chezvose zvakasara zvamazimbe emagetsi ndeye anthracite. Pennsylvania anthracite yakafukidzwa zvikuru mumakore ekuma1800 uye kumavambo ekuma1900, uye zvigadzirwa zvakasara zvakava nyore kupinda nekuda kwekudzika kwawo. Nhamba yakawanda yeanthracite yakambobudiswa muPennsylvania yaiva muna 1917.
Nzvimbo : Nhoroondo yekare, anthracite yakafuridzirwa munzvimbo inenge 480-square-mile munzvimbo yekuchamhembe kwakadziva kumabvazuva kwePennsylvania, kunyanya kuLackawanna, Luzerne, uye Schuylkill. Zviduku zviduku zvinowanika muRhode Island neVirginia.
Mhando Dzakasiyana-siyana Inobatsira Sei Maitiro Ayo
Anthracite inofungidzirwa se "kusina kumira" uye kusununguka kusununguka, nokuti kana ikaputika haiti "coke" kana kukura uye kufanira pamwe chete. Iyo inowanzopiswa mumagetsi ekugadzirisa boilers kana single-retort side-dump stoker boilers nemagetsi anogara. Mavhiri anochera-pasi anoshandiswa nekuda kweanthracite yakakwirira yef ash fusion yekushisa. Chando chebhaibheri chinoshandiswa chinowanzochengetedza kupisa kwepasi, izvo zvinotapudza nitrogen oxide emissions.
Nyaya inonyanya kukosha, kana tsvina yakanaka, kubva pakupisa anthracite kunogona kuderedzwa nekugadzirwa kwevira kwakakodzera uye zvakakodzera bhailer, maitiro emhepo inoputika, uye kubhururuka kwemhepo.
Zvipfeko zvinosvibisa, zvinokonzera magetsi (ESP), uye zvinogadziriswa zvinogona kushandiswa kuderedza kusvibiswa kwezvinhu zvakasvibiswa kubva kumabhazi anthracite-fired. Anthracite iyo inonzi pulverized isati yatya inobatanidza zvimwe zvinhu.
Iyo yakashata yemarara yakaramba kubva kune anthracite mines inonzi chirm. Mvura ine zvishoma kudarika hafu yehuni hunotapira ye mined anthracite uye yakakwirira mumhino nekunyorova. Inoshandiswa kakawanda mumavhesi ekutsvaira (FBC).
Dzimba : Anthracite inotanga kupisa uye kupiswa kwekasi yakaenzaniswa nemamwe marudzi emarasha, maererano neASTM D388 - 05 Kurongeka Kwakawanda Kwemazimbe neClass.